dudykr/stc playground

[sunrabbit123]

STC playground for faster development iteration , accessibility and productivity.

work stage is this

related

dudykr/stc#1021
dudykr/stc#1082

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### The basic functionality is as follows
- [ ] Applying tsconfig.json
- [ ] The code convert to `AST`
- [ ] The code convert to `error`
- [ ] draw wireframe

[AcrylicShrimp]

Where should we put playground? Could you suggest or specify one?

Added via #20.